roundworm

roundworm /round·worm/ (round´werm) any worm of the class Nematoda; a nematode.

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round·worm (roundwûrm)

n.

See nematode.

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Roundworm

Any round-bodied unsegmented worm as distinguished from a flatworm. Also called a nematode, they look similar to the common earthworm.

Mentioned in: Antihelminthic Drugs

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roundworm,

any worm of the class Nematoda, including Ancylostoma duodenale, Ascaris lumbricoides, Enterobius vermicularis, and Strongyloides stercoralis.

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roundworm [round´werm]

any member of the class nematoda, somewhat resembling common earthworms in appearance; many are found as parasites in humans or other animals. Those most frequently infecting humans include Ascaris lumbricoides (see ascariasis); Enterobius vermicularis (the pinworm; see enterobiasis); the hookworm (see hookworm disease); the filaria (see filariasis); and the trichina (see trichinosis).

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roundworm,

n a worm of the class Nematoda, including
A. duodenale, A. lumbricoides, E. vermicularis, and
S. stercoralis, that may infect the gastrointestinal tract of humans.

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roundworm

any of the parasitic, unsegmented, cylindrical in cross-section, elongated in shape, nematode worms which invade principally the gastrointestinal tract. Almost any organ can be involved. Comprises the class Nematoda and its large number of genera.